<?php
include("Conexion.php");

$Query = "select * FROM Empresa";
$ExecQuery = mysql_query($Query);
$Cuantos = mysql_num_rows($ExecQuery);

for($i=0;$i<$Cuantos;$i++){
	echo "<option value='".mysql_result($ExecQuery, $i,"IdEmpresa")."'>".mysql_result($ExecQuery, $i,"Nombre")."</option>";
}
?>